the radius of planet is drecresing by 50%without changing its mass. the acceleration due to gravity will be?

Without gravity, the planets would stop orbiting and move

13. when a source of sound and a listener are in motion relative to each other

A paper clip is made of wire 0.5 mm in diameter. If the original material from which the wire is made is a rod 25 mm in diameter, calculate the longitudinal engineering and true strains that the wire has undergone during processing

What is the main difference between protons and neutrons? A. Protons have a much smaller mass than neutrons. B. Protons have a much larger volume than neutrons. C. Protons have an electrical charge, but neutrons have no charge. D.

A person has been exposed to a particular antigen and now experiences a repeat exposure. What stimulates a quicker immune response? a) Memory T cellsb) immunityc) antibodiesd) macrophages

Which of the following is true of high clouds?

A ferris wheel takes 5 minutes to complete one full rotation, what is the angular velocity of the ferris wheel

A heat engine has a thermal efficiency of 45%. how much power does the engine produce when heat is transferred into it at a rate of 109 kj/hr?

Dos pelotas de tenis se lanzan verticalmente, hacia arriba y desde el mismo punto, con 2 s de diferencia. La velocidad inicial de la primera es de 20 m/s, y la de la segunda, de 30 m/s.

What is the primary function of the small intestines